package com.bbcare.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

/**
 * @Description: TODO
 * @author MLi
 * @date 2018年4月9日
 * @version V1.0
 */
public class SimpleWrappedFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        try {
            WrappedHttpServletRequest requestWrapper = new WrappedHttpServletRequest((HttpServletRequest) request);
            // 这里doFilter传入我们实现的子类
            chain.doFilter(requestWrapper, response);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Override
    public void destroy() {

    }

}
